Home / 5,453.11-8,173.18-3,228.85

Finding the Fourth Proportional to 5,453.11, 8,173.18 and 3,228.85

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Solution

The fourth proportional to 5,453.11, 8,173.18 and 3,228.85 is: 4,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.11 : 8,173.18 = 3,228.85 : x
  2. Step 2: Convert to fraction form
    5,453.11/8,173.18 = 3,228.85/x
  3. Step 3: Cross multiply
    5,453.11x = 8,173.18 × 3,228.85
  4. Step 4: Simplify right side
    5,453.11x = 26,389,972.24
  5. Step 5: Solve for x
    x = 26,389,972.24/5,453.11
  6. Step 6: Final answer
    x = 4,839.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.